2007 Audi A8 vs. 2009 BMW 320
To start off, 2009 BMW 320 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 4,172 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (330 HP @ 6500 RPM) has 162 more horse power than 2009 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 434 kg more than 2009 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 320. In wet, icy, snow, or gravel driving conditions, 2007 Audi A8 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Audi A8 (430 Nm @ 3500 RPM) has 220 more torque (in Nm) than 2009 BMW 320. (210 Nm @ 3500 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2007 Audi A8 | 2009 BMW 320 | |
| Make | Audi | BMW |
| Model | A8 | 320 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 168 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 430 Nm | 210 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 226 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 8.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1476 kg |
| Vehicle Length | 5190 mm | 4490 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 3080 mm | 2730 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
